<template>
  <div>
    <template v-for="item in this.menuList">
      <el-submenu :disabled="item.disabled" :index="item.id + ''" :key="item.id + ''" v-if="item.children.length>0">
        <template slot="title">
          <i :class="item.icon"></i>
          <span slot="title">{{item.menuName}}</span>
        </template>
        <MenuTree :menuList="item.children"></MenuTree>
      </el-submenu>
      <el-menu-item
        v-else
        :disabled="item.disabled"
        :index="item.url + ''"
        :route="item.url + ''"
        @click="savePath(item.url)"
        :key="item.id"
        style="padding-left: 50px">
        <i :class="item.icon"></i>
        <span slot="title">{{item.menuName}}</span>
      </el-menu-item>
    </template>
  </div>
</template>

<script>
export default {
  name: 'MenuTree',
  props: ['menuList'],
  methods:{
    //保存激活路径
    savePath(path) {
      window.sessionStorage.setItem("activePath", path);
      //调用Main.vue的activePath
      this.activePath = path;
    },
  },
}
</script>

<style scoped>
.el-menu--collapse span,
.el-menu--collapse i.el-submenu__icon-arrow {
  height: 0;
  width: 0;
  overflow: hidden;
  visibility: hidden;
  display: inline-block;
}
</style>
